blob: a2977836eedd9cf44315b2f7d623740d5b470ecf [file] [log] [blame]
#include "interfaces/openbmc_intf.h"
#include <stdio.h>
#include <fcntl.h>
#include "openbmc.h"
#include "gpio.h"
#include "object_mapper.h"
/* ---------------------------------------------------------------------------------------------------- */
static const gchar* dbus_object_path = "/org/openbmc/sensors";
static const gchar* dbus_name = "org.openbmc.sensors.hwmon";
static GDBusObjectManagerServer *manager = NULL;
typedef struct {
gchar* filename;
gchar* name;
int poll_interval;
int fd;
} HWMON;
#define NUM_HWMONS 2
//HWMON hwmons[NUM_HWMONS] = {
// (HWMON){"/sys/class/hwmon/lm75/temp1_input","temperature/ambient"},
// (HWMON){"/sys/class/hwmon/nct9704/pwm1_input","speed/fan1"},
//};
HWMON hwmons[NUM_HWMONS] = {
(HWMON){"/home/njames/hwmon/lm75/temp1_input"},
(HWMON){"/home/njames/hwmon/fans/pwm1_input" },
};
// Gets the gpio device path from gpio manager object
int hwmon_init(GDBusConnection *connection, HWMON* hwmon)
{
int rc = GPIO_OK;
GDBusProxy *proxy;
GError *error;
GVariant *result;
error = NULL;
g_assert_no_error (error);
error = NULL;
proxy = g_dbus_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL, /* GDBusInterfaceInfo */
"org.openbmc.managers.System", /* name */
"/org/openbmc/managers/System", /* object path */
"org.openbmc.managers.System", /* interface */
NULL, /* GCancellable */
&error);
if (error != NULL) {
return 1;
}
result = g_dbus_proxy_call_sync (proxy,
"hwmonInit",
g_variant_new ("(s)", hwmon->filename),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
if (error != NULL) {
return 1;
}
g_assert (result != NULL);
g_variant_get (result, "(&si)", &hwmon->name,&hwmon->poll_interval);
g_print("HWMON Lookup: %s = %s,%d\n",hwmon->filename,hwmon->name,hwmon->poll_interval);
}
static gboolean poll_hwmon(gpointer user_data)
{
Hwmon *hwmon = object_get_hwmon((Object*)user_data);
SensorValue *sensor = object_get_sensor_value((Object*)user_data);
const gchar* filename = hwmon_get_sysfs_path(hwmon);
int fd = open(filename, O_RDONLY);
if (fd != -1)
{
char buf[255];
if (read(fd,&buf,255) == -1)
{
g_print("ERROR: Unable to read value: %s\n",filename);
} else {
guint32 value = atoi(buf);
g_print("%s = %d\n",filename,value);
GVariant* v = NEW_VARIANT_U(value);
sensor_value_set_value(sensor,v);
}
close(fd);
}
return TRUE;
}
static gboolean
on_set_value (SensorValue *sensor,
GDBusMethodInvocation *invocation,
GVariant* v_value,
gpointer user_data)
{
Hwmon *hwmon = object_get_hwmon((Object*)user_data);
const gchar* filename = hwmon_get_sysfs_path(hwmon);
int fd = open(filename, O_WRONLY);
if (fd != -1)
{
char buf[255];
guint32 value = GET_VARIANT_U(v_value);
sprintf(buf,"%d",value);
if (write(fd, buf, 255) == -1)
{
g_print("ERROR: Unable to read value: %s\n",filename);
}
close(fd);
}
sensor_value_complete_set_value(sensor,invocation);
return TRUE;
}
static void
on_bus_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
ObjectSkeleton *object;
cmdline *cmd = user_data;
manager = g_dbus_object_manager_server_new (dbus_object_path);
int i = 0;
for (i=0;i<NUM_HWMONS;i++)
{
hwmon_init(connection,&hwmons[i]);
gchar *s;
s = g_strdup_printf ("%s/%s",dbus_object_path,hwmons[i].name);
object = object_skeleton_new (s);
g_free (s);
Hwmon *hwmon = hwmon_skeleton_new ();
object_skeleton_set_hwmon (object, hwmon);
g_object_unref (hwmon);
SensorValue *sensor = sensor_value_skeleton_new ();
object_skeleton_set_sensor_value (object, sensor);
g_object_unref (sensor);
ObjectMapper* mapper = object_mapper_skeleton_new ();
object_skeleton_set_object_mapper (object, mapper);
g_object_unref (mapper);
hwmon_set_sysfs_path(hwmon,hwmons[i].filename);
//define method callbacks here
g_signal_connect (sensor,
"handle-set-value",
G_CALLBACK (on_set_value),
object); /* user_data */
if (hwmons[i].poll_interval > 0) {
g_timeout_add(hwmons[i].poll_interval, poll_hwmon, object);
}
/* Export the object (@manager takes its own reference to @object) */
g_dbus_object_manager_server_export (manager, G_DBUS_OBJECT_SKELETON (object));
g_object_unref (object);
}
/* Export all objects */
g_dbus_object_manager_server_set_connection (manager, connection);
emit_object_added((GDBusObjectManager*)manager);
}
static void
on_name_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
}
static void
on_name_lost (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
}
gint
main (gint argc, gchar *argv[])
{
GMainLoop *loop;
cmdline cmd;
cmd.argc = argc;
cmd.argv = argv;
guint id;
loop = g_main_loop_new (NULL, FALSE);
id = g_bus_own_name (DBUS_TYPE,
dbus_name,
G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
G_BUS_NAME_OWNER_FLAGS_REPLACE,
on_bus_acquired,
on_name_acquired,
on_name_lost,
&cmd,
NULL);
g_main_loop_run (loop);
g_bus_unown_name (id);
g_main_loop_unref (loop);
return 0;
}